+AM_CONDITIONAL([ENABLE_PREVIEWER],[test "$enable_previewer" = "yes"])
+PREVIEWER_CFLAGS="$PREVIEWER_CFLAGS $GTKUNIXPRINT_CFLAGS $DEBUG_FLAGS"
+PREVIEWER_LIBS="$PREVIEWER_LIBS $GTKUNIXPRINT_LIBS -lz"
+AC_SUBST(PREVIEWER_CFLAGS)
+AC_SUBST(PREVIEWER_LIBS)
+
+# ***
+# GIR
+# ***
+
+AC_MSG_CHECKING([whether GObject introspection is requested])
+AC_ARG_ENABLE([introspection],
+ AS_HELP_STRING([--enable-introspection],[Enable GObject introspection]),
+ [],[enable_introspection=no])
+AC_MSG_RESULT([$enable_introspection])
+
+G_IR_SCANNER=
+G_IR_COMPILER=
+G_IR_GENERATE=
+GIRDIR=
+GIRTYPELIBDIR=
+
+if test "$enable_introspection" = "yes"; then
+ GOBJECT_INTROSPECTION_REQUIRED=0.6
+ PKG_CHECK_MODULES([GOBJECT_INTROSPECTION],[gobject-introspection-1.0 >= $GOBJECT_INTROSPECTION_REQUIRED])
+
+ G_IR_SCANNER="$($PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0)"
+ G_IR_COMPILER="$($PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0)"
+ G_IR_GENERATE="$($PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0)"
+ GIRDIR="$($PKG_CONFIG --variable=girdir gobject-introspection-1.0)"
+ GIRTYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"
+fi
+
+AC_SUBST([G_IR_SCANNER])
+AC_SUBST([G_IR_COMPILER])
+AC_SUBST([G_IR_GENERATE])
+AC_SUBST([GIRDIR])
+AC_SUBST([GIRTYPELIBDIR])
+
+AM_CONDITIONAL([ENABLE_INTROSPECTION],[test "$enable_introspection" = "yes"])
+